Advertisement
12 CONTROL AUXILIARY FUNCTIONS
Setting item
New speed value
Speed change request
* Refer to section "3.4 Specifications of input/output signals for master module" and "3.5 Remote registers" for
details on the setting details.
Positioning start signal
Remote station READY
signal
D75P2 READY signal
Start complete signal
BUSY signal
Positioning complete signal
Error detection signal
(3) Setting the speed change function from the PLC CPU
The following shows the data settings and sequence program example for
changing the control speed of axis 1 from the PLC CPU. (In this example, the
control speed is changed to "10000.00mm/min".)
(a) Set the following data.
(Use the start time chart shown in section (2) below as a reference, and set
using the sequence program shown in section (3).)
Setting
value
1000000 Set the new speed.
ON
Set "ON: Change the speed".
(b) The following shows the speed change time chart.
V
[RY(n+1)0]
[RX(n+7)B]
[RXn0]
[RXn1]
[RXn4]
[RXn7]
[RXnA]
In speed change processing flag
[RX(n+1)1, RX(n+4)1]
New speed value
[RWwm+4 to 5, RWwm+12 to 13]
Speed change request
[RY(n+2)7, RY(n+4)7]
Fig. 12.25 Time chart for changing the speed from the PLC CPU
Setting details
12 - 38
MELSEC-A
Remote input/output,
remote register
Axis 1
Axis 2
RWwm+4
RWwm+12
RWwm+5
RWwm+13
RY(n+2)7
RY(n+4)7
Dwell time
1000000
t
Advertisement
Chapters
Troubleshooting
